Biomarkers of exposure to carcinogenic PAHs and their relationship with environmental factors

The EXPAH project is a multicentre European study in which biomarkers of exposure, biomarkers of effect, genetic susceptibility and environmental factors were studied in populations exposed to differing levels of carcinogenic polycyclic aromatic hydrocarbons (c-PAHs). We describe here the relationsh...

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Published inMutation Research-Fundamental and Molecular Mechanisms of Mutagenesis Vol. 620; no. 1-2; pp. 16 - 21
Main Authors Taioli, Emanuela, Sram, Radim J, Binkova, Blanka, Kalina, Ivan, Popov, Todor A, Garte, Seymour, Farmer, Peter B
Format Journal Article
LanguageEnglish
Published Netherlands 01.07.2007
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ISSN0027-5107
1386-1964
0027-5107
DOI10.1016/j.mrfmmm.2007.02.018

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Summary:The EXPAH project is a multicentre European study in which biomarkers of exposure, biomarkers of effect, genetic susceptibility and environmental factors were studied in populations exposed to differing levels of carcinogenic polycyclic aromatic hydrocarbons (c-PAHs). We describe here the relationships between the levels of DNA adducts (as biomarkers of exposure), the exposure to air pollution and smoking status. Lymphocyte bulky DNA adducts were significantly correlated with exposure when subjects were classified either by job description or by personal monitor measurements, and both bulky and benzo(a)pyrene (B[a]P) DNA adducts were also correlated with smoking status. These associations varied across the countries studied (Czech Republic, Slovakia, Bulgaria). Results from a multivariate analysis show that factors mainly contributing to bulky and B[a]P DNA adducts are age, smoking habit, country of origin and environmental exposure to c-PAHs. The B[a]P DNA adducts were more strongly associated with smoking status than with the environmental exposure to c-PAHs.
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ISSN:0027-5107
1386-1964
0027-5107
DOI:10.1016/j.mrfmmm.2007.02.018